Rockwall County property record for 603 Mountcastle Dr, Rockwall, TX 75087
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,370 sqft · built 2016 |
| Lot Size | 0.161 acres (7,009 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $310,000 (Oct 2016) |
| Tax Bill | $7,971 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R88306 |
| Primary APN | R88306 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 3,370 sqft Living Area |
| Gross Area | 3,918 sqft |
| 1st Floor Area | 3,370 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Type | Gable/Hip |
| Roof Material | Composition Shingle |
| Lot Area | 7,009 sqft (0.161 acres) |
| Lot Dimensions | 135 ft deep x 52 ft wide |
| Garage Type | Attached |
| Garage Area | 441 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Covered Porch |
| Porch Area | 187 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Street Address | 603 MOUNTCASTLE DR |
|---|---|
| City | ROCKWALL |
| State | TX |
| Zip | 75087-6583 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | STONE CREEK PHASE VI, BLOCK S, LOT 20 |
| Legal Subdivision | STONE CREEK PHASE VI |
| Legal Phase | 6 |
| Legal Tract | 20 |
| Legal Block | S |
| Legal Lot Number | 20 |
| Jurisdiction | ROCKWALL TX |
| Township / Civil Division | NORTHWEST ROCKWALL |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 40202 |
Source: Rockwall County records, as of August 11, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 603 MOUNTCASTLE DR, ROCKWALL, TX 75087-6583 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 17, 2016 · Amount on Record |
| Deed Sale | Oct 17, 2016 · Amount on Record |
| Prior Sale | Mar 15, 2016 · Amount on Record |
| Deed Document Number | 201618280 |
| Record Updated | Sep 20, 2026 |
Source: Rockwall County assessment roll, as of August 11, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Rockwall County |
| Municipality | Rockwall City |
| Unified School District | Rockwall Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $653,840 (+8.83%) Land $133,860 Building $519,980 | $653,840 (-0.86%) Land $133,860 Building $519,980 | |
| 2025 | $7,971.00 (+1.41%) Homeowner's exemption | $600,809 (+3.9%) | $659,493 (+14.05%) Land $133,860 Building $525,633 |
| 2024 | $7,860.00 (+16.39%) | ||
| 2023 | $6,753.00 (-15.02%) Homeowner's exemption | $578,266 Land $160,000 Building $418,266 | $578,266 Land $160,000 Building $418,266 |
| 2021 | $7,947.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 8, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 89% of Texas |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF ROCKWALL serves 55,250 people · EPA ID TX1990001 |
|---|---|
| Water Source | Purchased surface water from NORTH TEXAS MWD WYLIE WTP |
| Last State Inspection | Jul 2023 |
| Lead | 2 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 557 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Wi-Five Broadband Fixed Wireless | 100 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Hotwire Communications.
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